to find out, the department of transportation helped pay for enforcement programs in hartford, connecticut, and syracuse, new york. the results are in. >> we ended up issuing over 9,000 citations for cell phone use by drivers. and we also foundnd a substanti change in behavior. >> reporter: in syracuse, the number of drivers using hand-held cell phones or texting dropped 32%. in hartford, hand-teld cell phone use dropped 57%. and texting while driving plummeted 72%. >> the key is going t t be consistent and focused, dedicated enforcement. >> reporter: at a connecticut racetrack, i tried to text and drive. my speed slowed. i hit twice as many cones. still, drivers think they can do this safely. the study scholls it takes tickets to stop talking and texting. lisa stark, abc news, washington.